This is the best tl;dr I could make, original reduced by 85%. (I’m a bot)
Candidates in Hong Kong’s legislative elections are required to pledge allegiance to Hong Kong and its de facto constitution, the Basic Law.
“No matter what happens, I still have faith, hope and trust in Hong Kong people, and we will continue to have our democracy movement.”
Hong Kong has disqualified candidates from elections before, but not on this scale, and there is concern that it may seek to postpone the September vote entirely citing public health and the coronavirus.